asahi-diagnose

#!/bin/sh

log() {
    echo "$@"
}

dt() {
    p=/proc/device-tree/"$1"
    if [ ! -e "$p" ]; then
        echo "(missing)"
    else
        cat "$p" | tr "\0" " " | sed -e 's/ $//g'; echo
    fi
}

banner() {
    cat <<EOF
# Asahi Linux System Diagnostic Dump

    Collected at:   $(date) ($(date -Iseconds))
    Username:       $(whoami)
    Hostname:       $(hostnamectl hostname)

EOF
}

device_info() {
    cat <<EOF
## Device information
    Model:          $(dt model)
    Compatible:     $(dt compatible)

EOF
}

firmware_versions() {
    cat <<EOF
## Firmware versions
    iBoot1:         $(dt chosen/asahi,iboot1-version)
    iBoot2:         $(dt chosen/asahi,iboot2-version)
    SFR:            $(dt chosen/asahi,system-fw-version)
    OS firmware:    $(dt chosen/asahi,os-fw-version)
    m1n1 stage 2:   $(dt chosen/asahi,m1n1-stage2-version)
    U-Boot:         $(dt chosen/u-boot,version)

EOF
}

boot_config() {
    cat <<EOF
## Boot information
    ESP UUID:       $(dt chosen/asahi,efi-system-partition)
    EFI:            $([ -e /sys/firmware/efi ] &&
                       echo available || echo unavailable)

EOF
}

system_info() {
    cat <<EOF
## System information
    Kernel:         $(uname -r)
    Kernel build:   $(uname -v)
    Uptime:         $(uptime)
    Kernel cmdline: $(cat /proc/cmdline)

EOF
}

getfile() {
    cat <<EOF
## $2
\`\`\`
$(cat $1)
\`\`\`

EOF
}

cmd() {
    cat <<EOF
## $2
\`\`\`
$($1)
\`\`\`

EOF
}


package_versions() {
    cat <<EOF
## Package versions
\`\`\`
$(pacman -Q \
    m1n1 uboot-asahi asahi-scripts asahi-meta asahi-desktop-meta \
    asahi-fwextract asahi-configs alsa-ucm-conf-asahi \
    asahilinux-keyring linux linux-asahi linux-asahi-edge \
    mesa xorg-server pipewire kwin mutter \
    2>/dev/null | uniq)
\`\`\`

EOF
}

module_parameters() {
    echo "## Module parameters"
    for mod in asahi hid_apple hid_magicmouse; do
        [ ! -e /sys/module/$mod/parameters/ ] && continue
        echo "    $mod"
        for param in /sys/module/$mod/parameters/*; do
            echo "        $(basename "$param")=$(cat "$param" | tr -d '\0')"
        done
        echo
    done
    echo
}

logfile() {
    f="$1"
    lines="$2"
    [ -e "$1" ] || return
    echo "## Log file: \`$f\`"
    echo '```'
    if [ -z "$lines" ]; then
        cat "$f"
    else
        tail -n "$lines" "$f"
    fi
    echo '```'
    echo
}

environment() {
    echo "## Environment"
    set | grep -E 'MESA|AGX|ASAHI|XDG_SESSION_TYPE|DISPLAY|TERM|LANG|LOCALE|LC_' | sed 's/^/    /'
    echo
}

diagnose() {
    f="$1"

    >$f

    log "Collecting system diagnostic information..."
    log

    (
        exec >"$f" 2>&1
        banner
        device_info
        firmware_versions
        boot_config
        system_info
        environment
        getfile /proc/mounts "Mounts"
        [ -e /etc/arch-release ] && package_versions
        cmd lsblk "Block devices"
        cmd lspci "PCI devices"
        getfile /proc/bus/input/devices "Input devices"
        cmd lsmod "Loaded modules"
        module_parameters
        cmd 'journalctl -b 0 -tkernel' "Kernel log"
        logfile /var/log/Xorg.0.log
        logfile /var/log/pacman.log 500
    )

    log "Saved diagnostic information to $f"

    plat="$(cat /proc/device-tree/compatible | sed -re 's/.*apple,(t....).*/\1/g')"
    ver="$(tr -d '\0' </proc/device-tree/chosen/asahi,os-fw-version)"
    case "${plat}:${ver}" in
        t8103:12.3*) ;;
        t600[012]:12.3*) ;;
        t8112:12.4*) ;;
        *)
            echo
            echo "** WARNING! **"
            echo "You are using an unsupported firmware version ($ver) on this platform ($plat)."
            echo "This means you explicitly chose expert mode when installing Asahi Linux,"
            echo "and then explicitly selected a non-default unsupported version."
            echo "You are on your own. Please do not file bugs. We can't help you."
            echo "Reinstall without using expert mode if you want support."
            ;;
    esac
}

if [ -z "$1" ]; then
    diagnose "$HOME/asahi-diagnose-$(date +%Y%m%d-%H%M%S).txt"
elif [ "$1" = "-" ]; then
    diagnose /dev/stdout
else
    diagnose "$1"
fi